Double check before connecting that the sentinel is still available, in case it was one that got removed but wasn't noticed.

Author: kierenevans

redis/3-highly-available/usr/local/share/redis_functions.sh

@@ -49,7 +49,12 @@ function sentinel_cleanup()
     echo "> Waiting for the sentinel to receive data from the other sentinels"
     sleep 11s
     echo "> Resetting sentinel data for $sentinel"
-    redis-cli -h "$sentinel" -p 26379 SENTINEL RESET mymaster
+
+    if test_remote_ports "$sentinel:26379"; then
+      redis-cli -h "$sentinel" -p 26379 SENTINEL RESET mymaster
+    else
+      echo "> Sentinel $sentinel doesn't appear to be active any more"
+    fi
   done
 }